Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367514 | Phase change optical recording device and method employing a laser beam with differently energized pulse portions | Hideo Kobayashi, Daisuke Iguchi | 1994-11-22 |
| 5341358 | Optical recording medium and optical recording method using the same | Hideo Kobayashi, Kiichi Ueyanagi | 1994-08-23 |